Better protection: with output overcurrent/short circuit protection; With output overcurrent/short circuit protection; Equipped with charging timeout/overvoltage protection. Module for 3.7V batteries, including 18650, 21700 batteries; Support /PD3.0/PD2.0;Support QC4+/QC4/QC3.0/QC2.0;Support FCP, SCP (5V4.5A or 4.5V/5A); Support FCP, SCP, HSCP;Support SFCP to charge battery;Support PD3.0/PD2.0, AFCFCP, SCP , PE1.1 More features: automatic load detection/light load detection; High current USB output port; Supports low current mode; Supports digital display and battery level indication. High efficiency: The fast charging mobile power module uses quality materials to long-term durability and stable performance. Compact size, high power consumption, and high efficiency. Charging current up to 5A, efficiency up to 96%; Output power up to 22.5W, efficiency up to 95% Colour:As Shown Material:PCB Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 * Mini fast charging module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.